23681952 has 144 divisors (see below), whose sum is σ = 81611712. Its totient is φ = 6359040.

The previous prime is 23681947. The next prime is 23681971. The reversal of 23681952 is 25918632.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (25920) is a multiple of the sum of its prime divisors (720).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33927 + ... + 34617.

It is an arithmetic number, because the mean of its divisors is an integer number (566748).

Almost surely, 2^23681952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23681952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40805856).

23681952 is an abundant number, since it is smaller than the sum of its proper divisors (57929760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23681952 is a wasteful number, since it uses less digits than its factorization.

23681952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 720 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 23681952 is about 4866.4105868700. The cubic root of 23681952 is about 287.1700643581.

The spelling of 23681952 in words is "twenty-three million, six hundred eighty-one thousand, nine hundred fifty-two".